Power Systems Stock bridge dampers are used to reduce the vibrations at the point of support reduce the tension increase the sag All of these reduce the vibrations at the point of support reduce the tension increase the sag All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems The draw back of NR method as compare to Gauss-Seidel method is/are? large number of iterations both 1 and 2 None of these large requirement of computer memory large number of iterations both 1 and 2 None of these large requirement of computer memory ANSWER DOWNLOAD EXAMIANS APP
Power Systems Frequencies must be same in which of the following line to exchange the power from one place to other place ? No need of same frequency for exchange of power both 1 and 2 Asynchronous line Synchronous line No need of same frequency for exchange of power both 1 and 2 Asynchronous line Synchronous line ANSWER DOWNLOAD EXAMIANS APP
Power Systems The inertia constant of 100 MVA, 50 Hz, 4 pole generator is 10 MJ/MVA. If the mechanical input to the machine is suddenly raised from 50 MW to 75 MW, the rotor acceleration will be equal to 12.5 electrical degrees/s² 125 electrical degrees/s² 22.5 electrical degrees/s² 225 electrical degrees/s² 12.5 electrical degrees/s² 125 electrical degrees/s² 22.5 electrical degrees/s² 225 electrical degrees/s² ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 3-phase transmission line, each phase is supported by 3 insulated discs, maximum voltage of each disc is 20 kV. Find the operating voltage of the transmission line per phase if efficiency of string is 80.6%. 52.84 kV 20 kV 48.36 kV 83.76 kV 52.84 kV 20 kV 48.36 kV 83.76 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems The conversion ratio of breeder reactor are less than 1. 1. greater than 1. none of above. less than 1. 1. greater than 1. none of above. ANSWER DOWNLOAD EXAMIANS APP
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